File: alloc-no-stack-realign.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 995,836 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (82 lines) | stat: -rw-r--r-- 3,765 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
; RUN: llc < %s -mtriple=armv7-apple-ios -O0 | FileCheck %s

; rdar://12713765
; When realign-stack is set to false, make sure we are not creating stack
; objects that are assumed to be 64-byte aligned.
@T3_retval = common global <16 x float> zeroinitializer, align 16

define void @test1(<16 x float>* noalias sret %agg.result) nounwind ssp "no-realign-stack" {
entry:
; CHECK-LABEL: test1:
; CHECK: ldr     r[[R1:[0-9]+]], [pc, r[[R1]]]
; CHECK: mov     r[[R2:[0-9]+]], r[[R1]]
; CHECK: vld1.32 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R2]]:128]!
; CHECK: vld1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R2]]:128]
; CHECK: add     r[[R3:[0-9]+]], r[[R1]], #32
; CHECK: vld1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R3]]:128]
; CHECK: add     r[[R3:[0-9]+]], r[[R1]], #48
; CHECK: vld1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R3]]:128]
; CHECK: mov     r[[R2:[0-9]+]], sp
; CHECK: add     r[[R3:[0-9]+]], r[[R2]], #48
; CHECK: vst1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R3]]:128]
; CHECK: add     r[[R4:[0-9]+]], r[[R2]], #32
; CHECK: vst1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R4]]:128]
; CHECK: mov     r[[R5:[0-9]+]], r[[R2]]
; CHECK: vst1.32 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R5]]:128]!
; CHECK: vst1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R5]]:128]
; CHECK: vld1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R5]]:128]
; CHECK: vld1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R2]]:128]
; CHECK: vld1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R4]]:128]
; CHECK: vld1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R3]]:128]
; CHECK: add     r[[R1:[0-9]+]], r0, #48
; CHECK: vst1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R1]]:128]
; CHECK: add     r[[R1:[0-9]+]], r0, #32
; CHECK: vst1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R1]]:128]
; CHECK: vst1.32 {{{d[0-9]+}}, {{d[0-9]+}}}, [r0:128]!
; CHECK: vst1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r0:128]
 %retval = alloca <16 x float>, align 64
 %0 = load <16 x float>, <16 x float>* @T3_retval, align 16
 store <16 x float> %0, <16 x float>* %retval
 %1 = load <16 x float>, <16 x float>* %retval
 store <16 x float> %1, <16 x float>* %agg.result, align 16
 ret void
}

define void @test2(<16 x float>* noalias sret %agg.result) nounwind ssp {
entry:
; CHECK-LABEL: test2:
; CHECK: ldr     r[[R1:[0-9]+]], [pc, r[[R1]]]
; CHECK: add     r[[R2:[0-9]+]], r[[R1]], #48
; CHECK: vld1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R2]]:128]
; CHECK: add     r[[R2:[0-9]+]], r[[R1]], #32
; CHECK: vld1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R2]]:128]
; CHECK: vld1.32 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R1]]:128]!
; CHECK: vld1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R1]]:128]
; CHECK: mov     r[[R1:[0-9]+]], sp
; CHECK: orr     r[[R2:[0-9]+]], r[[R1]], #16
; CHECK: vst1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R2]]:128]
; CHECK: mov     r[[R3:[0-9]+]], #32
; CHECK: mov     r[[R9:[0-9]+]], r[[R1]]
; CHECK: vst1.32 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R9]]:128], r[[R3]]
; CHECK: mov     r[[R3:[0-9]+]], r[[R9]]
; CHECK: vst1.32 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R3]]:128]!
; CHECK: vst1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R3]]:128]
; CHECK: vld1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R9]]:128]
; CHECK: vld1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R3]]:128]
; CHECK: vld1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R2]]:128]
; CHECK: vld1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R1]]:128]
; CHECK: add     r[[R1:[0-9]+]], r0, #48
; CHECK: vst1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R1]]:128]
; CHECK: add     r[[R1:[0-9]+]], r0, #32
; CHECK: vst1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r[[R1]]:128]
; CHECK: vst1.32 {{{d[0-9]+}}, {{d[0-9]+}}}, [r0:128]!
; CHECK: vst1.64 {{{d[0-9]+}}, {{d[0-9]+}}}, [r0:128]


%retval = alloca <16 x float>, align 64
 %0 = load <16 x float>, <16 x float>* @T3_retval, align 16
 store <16 x float> %0, <16 x float>* %retval
 %1 = load <16 x float>, <16 x float>* %retval
 store <16 x float> %1, <16 x float>* %agg.result, align 16
 ret void
}